touching transport - a case study on visualizing metropolitan public transit on interactive...

Touching Transport

T. Nagel, M. Maitan, E. Duval, A. Vande Moere, J. Klerkx, K. Kloeckl, and C. Ratti

A Case Study on Visualizing Metropolitan Public Transit on Interactive Tabletops

Smart cities need smart citizens

Urban Demos

LIVE Singapore! Provides people with access to a range of useful real-time information about their city by developing an open platform for the collection, elaboration and distribution of real-time data that reflect urban activity. Giving people visual and tangible access to real-time information about their city enables them to take their decisions more in sync with their environment, with what is actually happening around them.

http://senseable.mit.edu/livesingapore/

LIVE Singapore! visualizations

Design Goals & Requirements

•  Enable access to data for different user groups.

•  Support gathering insights.

Design Goals & Requirements

•  Enable access to data for different user groups.

•  Support gathering insights.

•  Entice curiosity.

•  Provide casual exploration.

•  Offer multiple perspectives.

See details in paper

Touching Transport Designing the Prototype

Public transit in Singapore

Visualization Experiments

AM peak

PM peak

Coordinated Multiple Views (Mockup)

Unifying views with transitions

sequential

(transition)

map

Map View

Time-Series View

Arcs View

Simple touch interactions

Tap to get details-on-demand Pinch and slide to zoom and pan Slide to drag or change time range

User Interface

http://youtu.be/wQpTM7ASc-w

Three Visualization Modes

•  Map View

•  Time-Series View

•  Arcs View

Switching between these lets users focus on one view, and still enables them to select the best fitting one in order to gain insights based on different data properties.

See details in paper

Exhibition

•  Urban Mobility Symposium 2012

•  Researchers, partners, citizens

•  Two days on display

•  Over 100 visitors interacted with the system

On display in semi-public exhibition

Urban Mobility Symposium, NUS, 2012

Evaluation

Study design

Study design

•  Think-Aloud

•  Recorded audio

•  Observed participant’s behavior

•  One participant per session

•  40-60 minutes

Participants

•  LOC: citizens with knowledge of the local environment (n=11)

•  EXP: experts in the domain of urban mobility (n=6)

•  NON: non-experts with neither local nor domain knowledge (n=10)

•  6 female and 21 male participants

•  18 to 40 years of age (median: 28)

Study design

Singapore

Leuven

1.01 x 0.57 meters 48 ppi

Diffused illumination (DI)

TFT LCD display

0.96 x 0.54 meters 50 ppi

Laser light plane (LLP)

Rear projector

Insights

•  Basic

•  Medium

•  Advanced

See details in paper

Insights: Basic

Insights: Medium

Insights: Advanced

Insights Summary

Satisfaction

Conclusion & Future Work

Discussion

•  Crafting aesthetics: Visual style and Responsiveness

•  Multiple coordinated vs single modal views

Discussion

•  Crafting aesthetics: Visual style and Responsiveness

•  Multiple coordinated vs single modal views

See details in paper

Till Nagel mail@tillnagel.com – twitter: @tillnm

Thank you. Questions?

AVI ‘14 30th May 2014, Como, Italy